BLE lls - Move variable defn. to top of fn.
BLE lls - Move variable defn. to top of fn.

X-Original-Commit: ce2e596d564758ed0198d0175aeba8d3b84233ce

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble